6.5 Diesel 97.5-2003 Main Bolts Discontinued

[2INSANE]

While building a 2002 NAVSTAR 6.5 Diesel Optimizer, I tried to find some new TTY Main Bearing Cap Bolts and couldn’t find any. GM dealer said they are discontinued. Anyone having this problem too?

 

[adf5565]

I just bought a brand new Optimizer 2 months ago so I feel like someone still has to make them. But like you said it doesn’t seem like anyone has them for sale.

Could switch to ARP main studs instead, those are available.

ARP Main Stud Kit

Our exclusive ARP 8740 chromoly steel main stud kits! We highly recommend these for any 6.2L or 6.5L diesel build to address the main web cracking issues. If we won't build one without them, you shouldn't either! Made in the USA with a 190,000 psi tensile-strength rating. They are precision...

quadstartuning.com

 

[adf5565]

Actually I found them. Unique Diesel seems to have a lot of speciality items that can be hard to find.

Fasteners

 

[2INSANE]

Actually I found them. Unique Diesel seems to have a lot of speciality items that can be hard to find.

Fasteners

Which one? There are several business named unique diesel. Link?

 

[adf5565]

Which one? There are several business named unique diesel. Link?

I did link to the page. It showed up in my reply as “fasteners”.

 

[2INSANE]

I did link to the page. It showed up in my reply as “fasteners”.

Sweet! Thanks man! They must be making their own to have some.